Category Archives: lens

Milling Dies And Injection Moulding Some Acrylic Lenses

[Zach] over at his channel Breaking Taps has put up an extraordinary account on manufacturing some homemade acrylic lenses. In the end, not only does he produce some beautiful concave lenses, he also covers the complete manufacturing process, from milling the aluminium die used for injection moulding to tweaking the …read more

Continue reading

Posted in cnc, cnc hacks, injection molding, lens, milling, optics | Leave a comment

This Camera Captures Piezo Inkjet Micro-Drops for DIY Microfluidics

In microfluidics, there are “drop on demand” instruments to precisely deposit extremely small volumes (pico- or nano-liters) of fluid. These devices are prohibitively expensive, so [Kyle] set out to design a system using hobbyist-level parts for under $1000. As part of this, he has a fascinating use case for a …read more

Continue reading

Posted in 3d printed, camera, digital cameras hacks, inkjet, lens, micro-drop, microfluidics, piezo, science, strobe | Leave a comment

Hackaday Links: March 22, 2020

Within the span of just two months, our world of unimaginable plenty and ready access to goods manufactured across the globe has been transformed into one where the bare essentials of life are hard to find at any price. The people on the frontline of the battle against COVID-19 are …read more

Continue reading

Posted in amateur radio, camera, cons, Covid-19, face mask, Hackaday Columns, Hackaday links, ham radio, lens, license, mask, n95, O-ring, OSHW Summit 2020, PPE, VE testing, waterproof | Leave a comment

Macro Photography With Industrial Lenses

Line scan cameras are advanced devices used for process inspection tasks in industrial applications. Used to monitor the quality of silicon wafers and other high-accuracy tasks, they’re often outfitted with top-quality optics that are highly specialised. [Peter] was able to get his hands on a lens for a line-scan camera, …read more

Continue reading

Posted in camera lens, digital cameras hacks, dslr, lens, macro photography, sony, sony camera | Leave a comment

Acoustic Lenses Show Sound Can Be Focused Like Light

Acoustic lenses are remarkable devices that just got cooler. A recent presentation at SIGGRAPH 2019 showed that with the help of 3D printing, it is possible to build the acoustic equivalent of optical devices. That is to say, configurations that redirect or focus sound waves. One fascinating demonstration worked like …read more

Continue reading

Posted in 3d printed, 3d Printer hacks, acoustic, acoustic lens, lens, musical hacks, research, sonic | Leave a comment

3D-Printed Extension for Extreme Macro Photography Includes Lens Electronic Control

Macro photography — the art of taking pictures of tiny things — can be an expensive pastime. Good lenses aren’t cheap, and greater magnification inflates the price even further. One way to release a bit more performance from your optics comes in the form of an extension tube, which mounts …read more

Continue reading

Posted in 3d Printer hacks, digital cameras hacks, lens, lens extension, macro | Leave a comment

Expensive Sony Lens Repair Reveals Shims & Shifts

The photographic hire company Lensrentals had a $2k Sony FE 135mm f1.8 GM camera lens returned with a problem: it was having issues focusing. So, they decided to do the obvious thing and take it apart. It’s a fascinating insight into some of the engineering that goes into a high-end …read more

Continue reading

Posted in digital camera, digital cameras hacks, lens, repair hacks, SLR | Leave a comment

Hold 3500 Volts Up To Your Eye

Old military equipment can sometimes be found in places like flea markets and eBay for pennies, often because people don’t always know what they have. While [tsbrownie] knew exactly what he was getting when he ordered this mystery device, we’re not sure we could say the same thing if we …read more

Continue reading

Posted in classic hacks, high voltage, infrared, lens, night vision, PVC, tube | Leave a comment

Motorized Lens Controller Techs Up Your Webcam

If you’re familiar with the DSLR camera market, you’d know that modern lenses are works of technological art. Crammed full of motors and delicate electronic assemblies, they’re bursting with features such as autofocus, optical stabilization and zoom. [Saulius Lukse] has been experimenting with motorized lenses for webcam applications, and has …read more

Continue reading

Posted in classic hacks, lens, stepper motor, stm32 | Leave a comment

Creating Lenses On Cheap CNC Machines

There are a lot of CNC machines sitting around in basements and garages, but we haven’t seen anything like this. It’s making lenses using a standard CNC machine and a lot of elbow grease.

The process of making a lens with a CNC machine begins by surfacing a waste board …read more

Continue reading

Posted in cnc, cnc hacks, lens, machining | Leave a comment